21196935

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3709}}^1$

素因数の和:3847

約数の個数: 24

約数和(自身を含む): 37040640

約数和(自身を除く): 15843705

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3709, 5715, 11127, 18545, 33381, 55635, 166905, 471043, 1413129, 2355215, 4239387, 7065645, 21196935]

約数ペア:

[(1, 21196935), (3, 7065645), (5, 4239387), (9, 2355215), (15, 1413129), (45, 471043), (127, 166905), (381, 55635), (635, 33381), (1143, 18545), (1905, 11127), (3709, 5715)]